A structure supported by posts driven into the ground and designed to prevent movement across a boundary. It is distinguished from a wall by the lightness of its construction. Use fence_type=* to add details.

A (for example footway) kerb is a barrier for vehicles and wheelchair drivers. The height of the kerb is important and with this information, the usage by different groups can be determined. The height of the kerb is tagged additionally as height=*, if available. Right side is bottom, left side is top.

A Kent carriage gap is used by local authorities in the UK to prevent motorised vehicles from accessing public rights of way whilst allowing most horse drawn carriages to pass. These are now becoming common on byways in the UK

Similar to a lift gate but rotates sidewards to open. It is usually made out of metal bars (wood or other material possible) and is intended to prevent cars from access but can usually be crossed by pedestrians and cyclists.